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BOSTON MARATHON 2023

Caleb Cohen

Bib: 2034•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:38
Rank: #1498
Start → 5K
19:38 | 6:19/mi
10K· 6.21 mi
38:19
Rank: #1126 (+372)
5K → 10K
18:41 | 6:01/mi
15K· 9.32 mi
56:51
Rank: #961 (+165)
10K → 15K
18:32 | 5:58/mi
20K· 12.43 mi
1:15:39
Rank: #870 (+91)
15K → 20K
18:48 | 6:03/mi
Half· 13.11 mi
1:19:46
Rank: #868 (+2)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:34:41
Rank: #858 (+10)
Half → 25K
14:55 | 6:09/mi
30K· 18.64 mi
1:54:48
Rank: #915 (-57)
25K → 30K
20:07 | 6:28/mi
20M
2:03:43
Rank: #941 (-26)
30K → 20M
8:55 | 6:34/mi
21M
2:10:41
Rank: #962 (-21)
20M → 21M
6:58 | 6:58/mi
35K· 21.75 mi
2:15:24
Rank: #969 (-7)
21M → 35K
4:43 | 6:18/mi
23M
2:23:44
Rank: #992 (-23)
35K → 23M
8:20 | 6:39/mi
24M
2:30:13
Rank: #1017 (-25)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:35:59
Rank: #1052 (-35)
24M → 40K
5:46 | 6:45/mi
25.2M
2:38:31
Rank: #1070 (-18)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:45:07
Rank: #1095 (-25)
25.2M → Finish
6:36 | 6:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:46
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:25:21
Pace6:31 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2519:386:1919:38
6:19
-
10K
6.21 mi10:39:0638:196:1018:41
6:01
-0:18
15K
9.32 mi10:57:3856:516:0618:32
5:58
-0:03
20K
12.43 mi11:16:261:15:396:0518:48
6:03
+0:05
Half
13.11 mi11:20:331:19:466:054:07
6:02
-0:01
25K
15.53 mi11:35:281:34:416:0614:55
6:09
+0:07
30K
18.64 mi11:55:351:54:486:1020:07
6:28
+0:19
20M
20.00 mi12:04:302:03:436:118:55
6:34
+0:06
21M
21.00 mi12:11:282:10:416:136:58
6:58
+0:24
35K
21.75 mi12:16:112:15:246:144:43
6:18
-0:40
23M
23.00 mi12:24:312:23:446:158:20
6:39
+0:21
24M
24.00 mi12:31:002:30:136:166:29
6:29
-0:10
40K
24.85 mi12:36:462:35:596:175:46
6:45
+0:16
25.2M
25.20 mi12:39:182:38:316:172:32
7:21
+0:36
Finish
26.22 mi12:45:542:45:076:186:36
6:29
-0:52

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

5:58 /mi

Average Pace

6:18 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:03

45% of race

Time at Steady Pace

1:14:48

45% of race

Time at Slower Pace

15:16

9% of race

Average Pace: 6:18 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:20:2519:386:1919:38
6:19
#1498
10K
6.21 mi10:39:0638:196:1018:41
6:01
#1126
15K
9.32 mi10:57:3856:516:0618:32
5:58
#961
20K
12.43 mi11:16:261:15:396:0518:48
6:03
#870
Half
13.11 mi11:20:331:19:466:054:07
6:02
#868
25K
15.53 mi11:35:281:34:416:0614:55
6:09
#858
30K
18.64 mi11:55:351:54:486:1020:07
6:28
#915
20M
20.00 mi12:04:302:03:436:118:55
6:34
#941
21M
21.00 mi12:11:282:10:416:136:58
6:58
#962
35K
21.75 mi12:16:112:15:246:144:43
6:18
#969
23M
23.00 mi12:24:312:23:446:158:20
6:39
#992
24M
24.00 mi12:31:002:30:136:166:29
6:29
#1017
40K
24.85 mi12:36:462:35:596:175:46
6:45
#1052
25.2M
25.20 mi12:39:182:38:316:172:32
7:21
#1070
Finish
26.22 mi12:45:542:45:076:186:36
6:29
#1095
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi149814251425636(Top 2%)593(Top 4%)593(Top 11%)
10K6.21 mi3.10 mi1126+3721064+3611064+361832(Top 3%)786(Top 5%)786(Top 15%)
15K9.32 mi3.11 mi961+165910+154910+154636(Top 2%)593(Top 4%)593(Top 11%)
20K12.43 mi3.11 mi870+91822+88822+88661(Top 2%)619(Top 4%)619(Top 12%)
Half13.11 mi0.68 mi868+2821+1821+1864(Top 3%)822(Top 5%)822(Top 16%)
25K15.53 mi2.42 mi858+10811+10811+10874(Top 3%)828(Top 5%)828(Top 16%)
30K18.64 mi3.11 mi915-57867-56867-561469(Top 6%)1405(Top 9%)1405(Top 27%)
20M20.00 mi1.36 mi941-26893-26893-261668(Top 6%)1591(Top 10%)1591(Top 30%)
21M21.00 mi1.00 mi962-21915-22915-221964(Top 7%)1859(Top 12%)1859(Top 35%)
35K21.75 mi0.75 mi969-7922-7922-71566(Top 6%)1486(Top 10%)1486(Top 28%)
23M23.00 mi1.25 mi992-23944-22944-221962(Top 7%)1857(Top 12%)1857(Top 35%)
24M24.00 mi1.00 mi1017-25967-23967-232001(Top 8%)1876(Top 12%)1876(Top 35%)
40K24.85 mi0.85 mi1052-351000-331000-332520(Top 9%)2334(Top 15%)2334(Top 44%)
25.2M25.20 mi0.35 mi1070-181018-181018-183065(Top 12%)2788(Top 18%)2788(Top 53%)
Finish26.22 mi1.02 mi1095-251042-241042-242345(Top 9%)2163(Top 14%)2163(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

636

Males

593

M18-39

593

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

832

Males

786

M18-39

786

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

636

Males

593

M18-39

593

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

661

Males

619

M18-39

619

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

864

Males

822

M18-39

822

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

874

Males

828

M18-39

828

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1469

Males

1405

M18-39

1405

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1668

Males

1591

M18-39

1591

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1964

Males

1859

M18-39

1859

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1566

Males

1486

M18-39

1486

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1962

Males

1857

M18-39

1857

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2001

Males

1876

M18-39

1876

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2520

Males

2334

M18-39

2334

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3065

Males

2788

M18-39

2788

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2345

Males

2163

M18-39

2163

Passing Analysis

Category:
Athletes Passed
743
Passed By
340
Net Change
+403
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1498
5K → 10K3731+372#1498#1126
10K → 15K1650+165#1126#961
15K → 20K954+91#961#870
20K → Half86+2#870#868
Half → 25K2818+10#868#858
25K → 30K1572-57#858#915
30K → 20M733-26#915#941
20M → 21M930-21#941#962
21M → 35K815-7#962#969
35K → 23M831-23#969#992
23M → 24M732-25#992#1017
24M → 40K1146-35#1017#1052
40K → 25.2M018-18#1052#1070
25.2M → Finish934-25#1070#1095
TOTALS743340+403
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing